And finally tonight, our "person of the week." A man who changed your life by creating amazon. He made big news this week when he decided to buy "the washington post" newspaper for $250 million. So what is jeff bezos up to this time? He refuses to become a grownup if growing up means losing curiosity and joy. Listen, it's a famous sound. Hep he gets to learn something new, he laughs. That was awesome! Reporter: It's his sense of wonder that something great is always over the horizon. I'm a big believer. Reporter: H he created that cart that turned amazon into the world's largest online retailer. A lot of people believed he could never deliver on the promise. 1998, amazon.Toast. 1999, amazon.Bomb. If you want to invent, you want to do any innovation, anything new, you're going to have failures. You need to experiment. Reporter: He started erks permitting as a 3-year-old child. He dismantled his own crib with a screwdriver. Then all the worrying inventions at home. I was constantly booby trapping the house. Some of them were sounds. Some were physical booby traps. I think I occasionally worried my parents the would open the door and have 30 pounds of nails drop on their head or something. Reporter: But it wasn't necessarily the conventional story leading to success. He doesn't know his biological father, who left when he was 1 year old. His teenage mother married an immigrant who adopted the quickie hid. He started amazon by selling books and shipping them out of his today, selling up to 200 items per spekd. One of his warehouses, the size of 28 football fields. We love to invent. Reporter: So everyone is watching this week to see what jeff bezos will do with "the washington post." Don't bet against him. After all this is man who invested in a 200-foot clock to be put inside a mountain in texas. It will chime once a century. A kind of hello to the infin it in future. From a guy who loves the infin it in possibilities right now. We love the pioneer. We even like going down alleys that turn out to be blind alleys. Every once in awhile, one of those blind alleys opens up into a broad avenue. And so we choose the astoni astonishing jeff bezos. We thank you for watching.

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